Feature●Material: Stainless steel, silicone rubber●Size: Diameter 2.4 inches (6●No metal filter for coffee siphon or paper filter is needed for eco-friendly. It is convenient and easy to clean because it does not require any management like a cloth filter●Uses 2 layers of high quality stainless steel mesh, so it can be used repeatedly, making it environmentally friendly and convenient●Suitable for siphon coffee makers such as siphon alcohol lamp siphon and electric siphonDescription